2 ms·
> probably there is no serial console really close to the CPU either outb to 0x3f8 might work. I know there were once versions of Linux that supported running
by JoshTriplett 4y ago
> probably there is no serial console really close to the CPU either
outb to 0x3f8 might work.
I know there were once versions of Linux that supported running without an MMU. Those versions, with very limited hardware support, might work in this mode.
- mschuster91 4y agoIt's still part of the kernel code: https://www.kernel.org/doc/Documentation/nommu-mmap.txt https://www.kernel.org/doc/Documentation/nommu-mmap.txt And apparently, good enough to run DOOM: https://hackaday.com/2022/12/07/a-tiny-risc-v-emulator-runs-linux-with-no-mmu-and-yes-it-runs-doom/ https://hackaday.com/2022/12/07/a-tiny-risc-v-emulator-runs-...